A circuit breaker cuts off an electrical circuit in building wiring any time that electrical current goes above a safe level. Its function is similar to a fuse, although circuit breakers can be used more than once. More »

To change a circuit breaker, switch off the main circuit breaker, and unscrew the load terminal wire. Remove the old breaker, and reverse the sequence used to remove it to install the new one. Use a voltage tester, a scr... More »

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Ensure the circuit breaker is to the Off position, then connect the wires to the terminals, the ground screw and the neutral screw. Install the breaker in the breaker box, and test it by turning the power on. If the brea... More »

www.reference.com Home & Garden Home Maintenance Electrical

Some reasons an electrical outlet may not be working are a circuit breaker has tripped, a ground fault circuit interrupter, or GFCI, on an outlet has tripped or an outlet has burned out. In addition, if an outlet is old,... More »

www.reference.com Home & Garden Home Maintenance Electrical

The Consumer Product Safety Commission provides information on Stab-Lok circuit breaker safety on its website, CPSC.gov. The commission completed an investigation of these circuit breakers in 1983, concluding that there ... More »

www.reference.com Home & Garden Home Maintenance Electrical

To troubleshoot an electrical circuit breaker, identify the initial electrical issue; for example, problems such as flickering lights or faltering electrical input to appliances may suggest problems with specific breaker... More »

Ensure the circuit breaker is to the Off position, then connect the wires to the terminals, the ground screw and the neutral screw. Install the breaker in the breaker box, and test it by turning the power on. If the brea... More »

www.reference.com Home & Garden Home Maintenance Electrical